﻿/*
 * Copyright (c) 2009, Thiago M. Sayao <thiago.sayao@gmail.com>
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 *  * Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of the author nor the names of its contributors may be 
 *    used to endorse or promote products derived from this software without 
 *    specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 */

using System;
using System.IO;
using System.Web;
using System.Web.Mvc;
using System.Web.Mvc.Html;
using DotNetBurner.Core;
using DotNetBurner.Web.Settings;

namespace DotNetBurner.Web
{
    public static class HtmlHelperExtensions
    {
        public delegate string MvcCacheCallback(HttpContextBase context);

        public static void RenderPartialLang(this HtmlHelper html, string viewName, object model)
        {
            html.RenderPartial(String.Concat(viewName, ".", SiteSettings.Settings.Language), model);
        }

        public static void RenderPartialLang(this HtmlHelper html, string viewName)
        {
            html.RenderPartial(String.Concat(viewName, ".", SiteSettings.Settings.Language));
        }

        public static object Substitute(this HtmlHelper html, MvcCacheCallback cb)
        {
            html.ViewContext.HttpContext.Response.WriteSubstitution(c => cb(new HttpContextWrapper(c)));

            return null;
        }

        public static bool IsCurrentAction (this HtmlHelper helper, string actionName, string controllerName)
        {
            string currentControllerName = (string)helper.ViewContext.RouteData.Values["controller"];
            string currentActionName = (string)helper.ViewContext.RouteData.Values["action"];

            if (currentControllerName.Equals(controllerName, StringComparison.CurrentCultureIgnoreCase)
                && currentActionName.Equals(actionName, StringComparison.CurrentCultureIgnoreCase))
            {
                return true;
            }

            return false;
        }
        
         public static string Content(this HtmlHelper helper, string file)
        {
            return helper.Content(file, false);
        }

        public static string Content (this HtmlHelper helper, string file, bool addModificationHash)
        {

#if DEBUG
            var subfolder = "Debug";
#else
            var subfolder = "Release";
#endif
            UrlHelper urlHelper = new UrlHelper (helper.ViewContext.RequestContext);
            string fileAndFolder = "~/Content/{0}/{1}".FormatWith(subfolder, file);

            if (addModificationHash)
            {
                FileInfo fileInfo = new FileInfo(helper.ViewContext.HttpContext.Server.MapPath(fileAndFolder));
                string hash = fileInfo.LastWriteTimeUtc.ToFileTimeUtc().ToString();

                fileAndFolder = String.Concat(fileAndFolder, "?v=", hash);
            }

            return urlHelper.Content (fileAndFolder);
        }
    }
}
